/* 初始化-----start */

* {
    margin: 0;
    padding: 0;
}

li {
    list-style-type: none;
}

a {
    text-decoration: none;
}


/* ------------------------ */

body {
    background-color: rgb(248, 247, 247);
}

header {
    width: 100%;
    height: 150px;
    position: relative;
}

header .top {
    width: 100%;
    height: 75px;
    background-color: rgb(236, 109, 109);
}

header .down {
    width: 100%;
    height: 75px;
    background-color: rgb(248, 247, 247);
}

header .middle {
    width: 80%;
    height: 100px;
    background-color: rgb(255, 255, 255);
    border-radius: 10px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#sheng {
    width: 80%;
    height: 35px;
    border-radius: 8px;
}

#shi {
    width: 80%;
    height: 35px;
    border-radius: 8px;
}

.sheng1,
.shi1 {
    margin-top: 10px;
    margin-left: 7px;
    font-size: 16px;
}


/* ---------------------------- */

.mianbody {
    position: relative;
}

.miantext {
    width: 100%;
    height: 400px;
    background: url(../images/bgimg01.jpg) no-repeat center;
    background-size: cover;
}

.mybtn {
    position: absolute;
    height: 40px;
    width: 90px;
    background-color: rgb(202, 72, 72);
    color: white;
    border: none;
    top: 440px;
    left: 50%;
    transform: translate(-50%, 0);
}